Add 90/2 and 5/70
1st number: 45 0/2, 2nd number: 5/70
90/2 + 5/70 is 631/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
90/2 = 90 × 35/2 × 35 = 3150/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
5/70 = 5 × 1/70 × 1 = 5/70 - Add the two like fractions:
3150/70 + 5/70 = 3150 + 5/70 = 3155/70 - 3155/70 simplified gives 631/14
- So, 90/2 + 5/70 = 631/14
In mixed form: 451/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+10/70 90/4+5/70 90/2+15/70 90/6+5/70 90/2+25/70 90/10+5/70 90/2+35/70 90/14+5/70